This partial function defines the interface of a function that returns surface characteristics for an object visualization, see e.g. Visualizers.Advanced.SurfaceCharacteristics.torus.
partial function partialSurfaceCharacteristic extends Modelica.Icons.Function; input Integer nu "Number of points in u-Dimension"; input Integer nv "Number of points in v-Dimension"; input Boolean multiColoredSurface = false "= true: Color is defined for each surface point"; output SI.Position X[nu, nv] "[nu,nv] positions of points in x-Direction resolved in surface frame"; output SI.Position Y[nu, nv] "[nu,nv] positions of points in y-Direction resolved in surface frame"; output SI.Position Z[nu, nv] "[nu,nv] positions of points in z-Direction resolved in surface frame"; output Real C[if multiColoredSurface then nu else 0, if multiColoredSurface then nv else 0, 3] "[nu,nv,3] Color array, defining the color for each surface point"; end partialSurfaceCharacteristic;